Combination Switch: Service and Repair
MULTI-FUNCTION SWITCHPrior to removing of the multifunction switch assembly in vehicle equipped with air bags, be careful to keep following items.
CAUTION
- Never attempt to disassemble or repair the air bag module or clock spring. If faulty, replace it.
- Do not drop the air bag module or clock spring or allow contact with water, grease or oil. Replace if a dent, crack, deformation or rust are detected.
- The air bag module should be stored on a flat surface and placed so that the pad surface is facing upward. Do not place anything on top of it.
- Do not expose the air bag module to temperature over 93 °C (200 °F).
- After deployment of an air bag, replace the clock spring with a new one.
- Wear gloves and safety glasses when handling an air bag that has already been deployed.
- An undeployed air bag module should only be disposed of in accordance with the procedures mentioned in the restraints system.
- When you disconnect the air bag module-clock spring connector, take care not to apply excessive force to it.
- The removed air bag module should be stored in a clean, dry place.
- Prior to installing the clock spring, align the mating mark and "NEUTRAL" position indicator of the clock spring, and, after turning the front wheels to the straight-ahead position, install the clock spring to the column switch. If the mating mark of the clock spring is not properly aligned, the steering wheel may not completely rotate during a turn, or the flat cable within the clock spring may be severed, obstructing normal operation of the SRS and possibly leading to serious injury to the vehicle's driver. To inspect to clock spring, refer to the restraint system.
1. Disconnect the negative(-) battery terminal.
NOTE: Prior to doing any further work after disconnection of the battery cable, wait at least 30 seconds.
2. Remove the air bag module mounting nuts (4EA) using a socket wrench.
3. Disconnect the horn connector and the air bag module connector and remove the air bag module using a flat-bladed screwdriver.
4. Remove the steering wheel mounting nut using a socket wrench and then remove the steering wheel.
5. Remove the steering column upper shroud using a phillips screwdriver and the steering column lower shroud by removing the mounting screws as shown in the illustration.
6. Remove the multifunction switch assembly mounting screws (3EA) and multifunction switch assembly after removal of the connectors.
7. Installation is the reverse of removal.